I have an americh walk in tub equipped with whirlpool. water is leaking from the door.

Americh does not make that part. You will need to track that kind of part down through your local plumbing store.

Rod
US Parts Center

their jets un-thread counter clockwise. you will need to contact Americh directly. they will be able to sell you new jet trim.

Those jet trim unthread counter clockwise

If you have hard water you will get lots of crud build up in the pipes.

Try soaking the jets in the cheapest vinagar you can find. The weak acid in the vinagar is great for getting crud off plumbing. Let it soak for at least 15 min then give it a try.

If this frees it up a little try the cheapest dishwasher powder you can get. The cheap stuff is a little abrasive and works great at cleaning jets.

Make sure the filter isn't blocked and that the air control is turned fully on.

replace rubber wasers

Water is being forced out under the bottom door seal. Is the lower spray arm melted on the bottom? Or is there something directing the water flow toward the bottom of the tub instead of up toward the dishes?

they are called fisheyes and you can find them at most places that sell pools and spas.

I belive but am not positive that those lamp assemblies are required to be low voltage. In other words, there is no safety issue if water contacts the builb or wiring. Call Americh to verify. The lens ought to be easily replaceable so as allow for bulb replacement. Ask Americh.

I know what you are talking about, :). There is more than likely a large nut that holds that overflow in place behind the tub wall. See if you can put pressure on it, like pulling it out while you turn it clockwise The gasket is more than likely under the nut and pulling as you turn may get the gasket to grip the rough exterior of the tub and hold the nut still. then as you feel it snuggung up, put your palm over it as turn it as far as yo can tightening it up. See if that helps. the gasket probably shrunk or it was never properly tightened. If it seems to get looser, stop and go the other way. good luck.